Electrostatics

What does it mean when the electric field lines are close together?

• the field is positive
• the field is negative
• The field is strong
• the field is weak

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

The law of conservation of charge states that...

• all atoms have more protons than electrons
• only protons can be rubbed off of an atom
• charge cannot be created or destroyed
• charge cannot be transferred 

The electrostatic force between two charges located 2 meters apart is 0.10 N.  What will the force be between these charges when they are located 1 meter apart?

• 0.40 N
• 0.20 N
• 0.10 N
• 0.05 N

Tags

NGSS.HS-PS2-4

How is the electric force between two charges affected when both of the charges are doubled?

• four times as much
• two times as much
• half as much
• one quarter as much

Tags

NGSS.HS-PS2-4

An .......... is a device used to check whether an object is charged or not.

• Chargescope
• Electroscope
• Electronscope
• Charger

2 charged objects both feel a force of 200 N. If q1 becomes 3 times bigger, what is the new force

• 203

• 600

• 66.7

• 1800

Tags

NGSS.HS-PS2-4

2 charges are 20 cm apart and feel a force of 500 N. if the distance between them becomes 60 cm, what is the new force

• 4500 N

• 540 N

• 1500 N

• 55.6 N

2 charges feel a force of 40 N. if we cut the distance between them in half, what is the new force they feel

• 20 N

• 80 N

• 160 N

• 10 N

When an object gains electrons it becomes __________

• Neutral

• Positively charged

• Negatively charged

Tags

NGSS.MS-PS2-3

An atom of oxygen has 8 protons and 10 electrons, this means the atom is ____________

• positively charged because it has excess electrons

• negatively charged because it has excess electrons

• positively charged because it has a deficiency of electrons

• negatively charged because it has a deficiency of electrons

Tags

NGSS.MS-PS1-1